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Ontario Contractors

Search 22,802 official-source contractor records in Ontario. Filter by trade, source type, and direct contact availability.

Browse Ontario by city

Top city pages from the official-source dataset.

Toronto4,454Mississauga1,435Hamilton875Brampton586Markham574Concord510Richmond hill471Ottawa461London449Woodbridge361north york358vaughan340Burlington302Oakville272Scarborough257Etobicoke246Kitchener205Newmarket178Windsor173Cambridge170Thornhill166Pickering163Barrie161Guelph150Oshawa145Aurora136Whitby129Maple128Stoney Creek127Kingston123Ajax114St Catharines114Brantford112Waterloo110Bolton105Stouffville104

22,802 matching contractors

Showing page 85 of 457 from the national official-source dataset.

131,786 records loaded

Homer's Electric

Regulated licence
ElectriciansKenora, ON
Electricians

Electrical Safety Authority · #7016421 · Licensed Electrical Contractor

Last seen May 7, 2026

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Koz Electric

Regulated licence
ElectriciansKenora, ON
Electricians

Electrical Safety Authority · #7005886 · Licensed Electrical Contractor

Last seen May 7, 2026

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Redd Tekk Solutions Inc.

Regulated licence
ElectriciansKenora, ON
ElectriciansHVAC

Electrical Safety Authority · #7018776 · Licensed Electrical Contractor

Last seen May 7, 2026

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Renewable Electric Inc

Regulated licence
ElectriciansKenora, ON
Electricians

Electrical Safety Authority · #7018127 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ser Electric Inc.

Regulated licence
ElectriciansKenora, ON
Electricians

Electrical Safety Authority · #7017587 · Licensed Electrical Contractor

Last seen May 7, 2026

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Sierra Construction

Regulated licence
General ContractorsKenora, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B46097 · Licensed builder/vendor

Last seen May 15, 2026

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Smc Automation Inc

Regulated licence
ElectriciansKenora, ON
Electricians

Electrical Safety Authority · #7013580 · Licensed Electrical Contractor

Last seen May 7, 2026

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Tamminga Electrical Ltd

Regulated licence
ElectriciansKent Bridge, ON
Electricians

Electrical Safety Authority · #7014009 · Licensed Electrical Contractor

Last seen May 7, 2026

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1549156 Ontario Ltd

Regulated licence
ElectriciansKeswick, ON
Electricians

Electrical Safety Authority · #7004290 · Licensed Electrical Contractor

Last seen May 7, 2026

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Carmsil Electric Ltd

Regulated licence
ElectriciansKeswick, ON
Electricians

Electrical Safety Authority · #7013436 · Licensed Electrical Contractor

Last seen May 7, 2026

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E-Conn Inc.

Regulated licence
ElectriciansKeswick, ON
Electricians

Electrical Safety Authority · #7016392 · Licensed Electrical Contractor

Last seen May 7, 2026

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Em & Er Services Inc

Regulated licence
ElectriciansKeswick, ON
Electricians

Electrical Safety Authority · #7016459 · Licensed Electrical Contractor

Last seen May 7, 2026

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Goran Electric Inc

Regulated licence
ElectriciansKeswick, ON
Electricians

Electrical Safety Authority · #7015830 · Licensed Electrical Contractor

Last seen May 7, 2026

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Keswick Electric

Regulated licence
ElectriciansKeswick, ON
Electricians

Electrical Safety Authority · #7004652 · Licensed Electrical Contractor

Last seen May 7, 2026

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M6 Electric

Regulated licence
ElectriciansKeswick, ON
Electricians

Electrical Safety Authority · #7017511 · Licensed Electrical Contractor

Last seen May 7, 2026

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MASK ELECTRIC

Regulated licence
ElectriciansKillaloe, ON
ElectriciansWell Drillers

Electrical Safety Authority · #7001579 · Licensed Electrical Contractor

Last seen May 15, 2026 · 2 source records

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Bill Kerr Service's

Regulated licence
ElectriciansKilworthy, ON
Electricians

Electrical Safety Authority · #7009566 · Licensed Electrical Contractor

Last seen May 7, 2026

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Elite Electrical

Regulated licence
ElectriciansKilworthy, ON
Electricians

Electrical Safety Authority · #7017385 · Licensed Electrical Contractor

Last seen May 7, 2026

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